Started IM injections of Testosterone Cypionate 10 weeks ago 1ml/week. Doctor has upped the dosage to 1.25 ml/week and added 1ml/week of B12. I was told to pull the testosterone first and to mix the two by rolling the syringe in my hands. Does it matter which one you pull first? I noticed a thread that advised pulling the B12 first. Also, I could NOT get the two to mix worth a damn. Can I just inject them without mixing? My concern, after vigorously shaking the syringe, is that I may be trapping air bubbles in solution - hard to tell.
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